Learn how to minimize the sum of squared error for regression line problems in stats. Whether you need help studying for that next big stats text or just a hand finishing your homework, you're sure to be well served by this fourpart free video math lesson from Salman Khan.
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How To: Remember "greater than" & "less than" symbols

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find the Volume of Composite Figures (Also Called Composite Shapes)

How To: Subtract a mixed number from a proper fraction in basic math

How To: Calculate percent composition for chemistry

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How To: Find the standard deviation with the ZScore formula

How To: Find the formula of a piecewise function given a graph

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How To: Find the area of a parallelogram using geometry

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How To: Use derivatives to find slope in calculus

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